
Thesynapticserineproteaseneurotrypsinisthoughttobeimportantforadaptivesynapticprocessesrequiredforcognitivefunctions.TruncationorabsenceofNeurotrypsincausesseverementalretardation.
Itismostprominentlyexpressedinthecerebralcortex,thehippocampus,andamygdala.Evidencesuggeststhatneurotrypsinhasmultiplefunctions,includingaxonaloutgrowth,maintainingneuronalplasticity,andarrangingtheperineuronalenvironment,partlyincoordinationwithotherproteasesincludingtissueplasminogenactivator.
Image: Neurotrypsinstainingof Human Cerebellum(formalin-fixed,paraffin-embedded)at5ug/mlfollowedbybiotinylatedgoatanti-rabbitIgGsecondaryantibody,alkalinephosphatase-streptavidinandchromogen.Protocolondata-sheet.